John Donovan is an accountant and CPA (inactive) with over 30 years of experience in accounting and finance. A graduate of Northern Illinois University, John’s career has spanned individual consulting, tax preparation, and senior accounting and finance roles supporting large, complex organizations, including Fortune 500 companies. He is known for delivering precise financial solutions through a thoughtful, analytical approach.

In 2024, John founded John William to focus on serving small businesses and individuals, bringing decades of experience to clients who value clarity, accuracy, and strategic financial guidance. His work is centered on helping clients navigate financial decisions with confidence, whether through tax preparation, bookkeeping, payroll, or broader financial support.

John works with clients across the United States, providing professional services through secure, remote systems designed to make expert financial guidance accessible regardless of location. His approach emphasizes long-term relationships, practical solutions, and a deep understanding of each client’s unique financial situation.

Outside of his professional work, John is a proud father of two daughters and an avid landscape photographer. His appreciation for detail, balance, and structure carries through both his creative pursuits and his financial practice.